Question: Why CentOS 7 / RHEL 7 have many tmpfs (6 tmpfs filesystem), are these tmpfs mandatory for OS? What are the mount /run/user/1000, /run/user/0, /run/user/45, /sys/fs/cgroup for?

Answer:

If you run df -hP in RHEL 7 system you would find many tmpfs file systems mounted.

# df -hP Filesystem Size Used Avail Use% Mounted […]

Red Hat Enterprise Linux 7 is an major / drastic change to enterprise. To serve / meet today’s business critical application performance RHEL 7 is the best Operating system to use, very light weight and container based. In this article we are going to see RHEL 6 vs RHEL 7 Difference Between Previous and Newer […]